Home / 3,411.08-5,116.62-1,219.52

Finding the Fourth Proportional to 3,411.08, 5,116.62 and 1,219.52

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Solution

The fourth proportional to 3,411.08, 5,116.62 and 1,219.52 is: 1,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.08 : 5,116.62 = 1,219.52 : x
  2. Step 2: Convert to fraction form
    3,411.08/5,116.62 = 1,219.52/x
  3. Step 3: Cross multiply
    3,411.08x = 5,116.62 × 1,219.52
  4. Step 4: Simplify right side
    3,411.08x = 6,239,794.84
  5. Step 5: Solve for x
    x = 6,239,794.84/3,411.08
  6. Step 6: Final answer
    x = 1,829.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.